the world > animals > fish > superorder Acanthopterygii (spiny fins) > order Perciformes (perches) > family Percidae (perches) > [adjective] > resembling perch (2)
Originally: †belonging to or characteristic of the former family Percoideae (now Percidae) of fishes (see percid, adj.) (obsolete). Later…
Of the form of or resembling a perch; spec. belonging to or characteristic of the large teleost division (later order) Perciformes, characterized…